<template>
  <div class="login-container">
    <div class="loginBox">
      <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="rules"
        class="login-form"
        auto-complete="on"
        label-position="left"
      >
        <div class="title-container">
          <p class="title">用户登录</p>
        </div>

        <el-form-item prop="username">
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="username"
            v-model="loginForm.username"
            placeholder="Username"
            type="text"
            tabindex="1"
            auto-complete="on"
          />
        </el-form-item>

        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="Password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon
              :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
            />
          </span>
        </el-form-item>

        <el-button
          :loading="loading"
          type="primary"
          style="width: 100%; margin-bottom: 30px"
          @click.native.prevent="handleLogin"
        >
          登录
        </el-button>
      </el-form>
    </div>
  </div>
</template>

<script>
import Shajs from 'jssha' // module
import { mapActions } from 'vuex'
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        username: 'root@admin.com',
        password: '123456'
      },
      loginform: {
        username: 'root@admin.com',
        password: ''
      },
      rules: {
        // 手机号
        username: [
          {
            required: true, // 必填项
            message: '请输入手机号',
            trigger: 'blur'
          }
        ],
        // 密码
        password: [{ required: true, message: '请输入密码', trigger: 'blur' }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    ...mapActions('user', ['getlogin']),
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    // 密码加密
    encry() {
      const shajs = new Shajs('SHA-256', 'TEXT', { encoding: 'UTF8' })
      // 2. 要加密的密码
      shajs.update(this.loginForm.password)
      // 3. 获取
      const pwd = shajs.getHash('HEX')
      this.loginform.password = pwd
    },
    // 登录
    handleLogin() {
      this.encry()
      this.$refs.loginForm.validate((valid) => {
        if (!valid) return
        this.loading = true
        this.getlogin(this.loginform)
          .then(() => {
            this.$message.success('登录成功')
            // 跳转
            this.$router.push('/')
          })
          .catch((err) => {
            console.log(err)
            // 不跳转
          })
          .finally(() => {
            // 不管请求失败还是成功，都会走finally
            this.loading = false
          })
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #ffffff;
    border-radius: 5px;
    color: #000000;
  }
}
.el-input__inner {
  color: #000 !important;
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
  background-image: url(../../assets/common/bg.jpg);
  background-size: 100%;
  background-repeat: no-repeat;
  .login-form {
    background-color: #fff;
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 24px;
      color: #000;
      margin: 10px auto 10px auto;
      text-align: center;
      background-color: rgba(255, 255, 255, 0.1);
      text-align: left;
      padding-left: 46px;

      // font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
.loginBox {
  height: 570px;
  background-image: url(../../assets/common/bj2.png);
  z-index: 999;
  background-repeat: no-repeat;
  background-size: 700px 460px;
  background-position: 840px 120px;
}
.el-form--label-left {
  background-color: #f5f5f5 !important;
  margin-top: 150px !important;
  padding-top: 24px !important;
  margin-left: 300px !important;
  background-image: url(../../assets/common/titico.png);
  background-repeat: no-repeat;
  background-position: 40px 36px;
}
.el-button--primary {
  height: 50px;
  font-size: 22px;
}
</style>
